剪切板示例.c

剪贴板原码

  #include <windows.h>                      
  #include <commdlg.h>
  #include <commctrl.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <commctrl.h>
  #include <malloc.h>
  #include "剪切板示例.h"

HWND hwndEdit,hStatusBar,hToolBar;
OPENFILENAME ofn;
HINSTANCE hInst;
HANDLE hFile,hText,hTextp;
LPTSTR lpBuffer,lpTextp, lpText;
RECT ClientRect,TBRect,SBRect;
DWORD dwFileRead,dwFileWrite;
int nIsNew=0,nFileExist=0,nLength=0,nWidth,nHeight,
    nX=0,nY=0;
int RightEnd[2];
BOOL bReadFile,bWriteFile;

LPNMHDR lpnmhdr;
LPTOOLTIPTEXT lpttext;

TBBUTTON tbButton[]=
 {
   STD_FILENEW,IDM_NEW,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   STD_FILEOPEN,IDM_OPEN,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   STD_FILESAVE,IDM_SAVE,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   STD_DELETE,IDM_CLOSE,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   0,0,TBSTATE_ENABLED,TBSTYLE_SEP,0,0,0,0,
   STD_CUT,IDM_CUT,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   STD_COPY,IDM_COPY,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
   STD_PASTE,IDM_PASTE,TBSTATE_ENABLED,TBSTYLE_BUTTON,0,0,0,0,
 };

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);


int WINAPI WinMain(	HINSTANCE hInstance,
					HINSTANCE hPrevInst,
					LPSTR lpszCmdLine,
					int nCmdShow)
{
	HWND hwnd ;
	MSG Msg ;
	HACCEL hAccel;
	WNDCLASS wndclass ;
    char lpszMenuName[]="Menu";
    char lpszClassName[] = "剪切板"; 
    char lpszTitle[]= "剪切板示例";
	
    wndclass.style = 0;                   
	wndclass.lpfnWndProc = WndProc ;    
	wndclass.cbClsExtra	= 0 ;          
	wndclass.cbWndExtra	= 0 ;          
	wndclass.hInstance = hInstance ;       
	wndclass.hIcon = LoadIcon( NULL, IDI_APPLICATION) ;   
    wndclass.hCursor = LoadCursor( NULL, IDC_ARROW) ;   
    wndclass.hbrBackground = GetStockObject( WHITE_BRUSH) ;   	
	wndclass.lpszMenuName =  lpszMenuName ;                       
	wndclass.lpszClassName = lpszClassName ;                   
	
    if( !RegisterClass( &wndclass))       
	{
		MessageBeep(0) ;
		return FALSE ;
	}

	hwnd = CreateWindow(lpszClassName,     
						lpszTitle,     
						WS_OVERLAPPEDWINDOW,   
						CW_USEDEFAULT, 
                        CW_USEDEFAULT,
                        CW_USEDEFAULT,
                        CW_USEDEFAULT,    
						NULL,       
						NULL,      
						hInstance,    
						NULL) ;      

ShowWindow( hwnd, nCmdShow) ;
UpdateWindow(hwnd);

InitCommonControls(); 

hInst=hInstance;

hAccel=LoadAccelerators(hInst,lpszMenuName);      

    while( GetMessage(&Msg, NULL, 0, 0))
	  {  
       if (!TranslateAccelerator(hwnd,hAccel,&Msg))
	      {
		   TranslateMessage( &Msg) ;
		   DispatchMessage( &Msg) ;
	       }
		}
	

	return Msg.wParam;      
}
    
LRESULT CALLBACK WndProc(HWND hwnd,   
                         UINT message,  
                         WPARAM  wParam,
                         LPARAM  lParam)

     {  
       static char lpszFilter[] = "TXT Files (*.txt)\0";
       static char lpstrFileName[]="";
	   //int i=0;
      

       switch(message)
        {
	     case WM_CREATE:
                
			   //初始化通用对话框
             	ofn.lStructSize      = sizeof (OPENFILENAME) ;
                ofn.hwndOwner     = hwndEdit ;
                ofn.hInstance       = hInst ;
                ofn.lpstrFilter       = NULL;
                ofn.lpstrCustomFilter = NULL ;
                ofn.nMaxCustFilter   = 0 ;
                ofn.nFilterIndex      = 1 ;
                ofn.lpstrFile         = NULL ;          
                ofn.nMaxFile        = 0 ;
                ofn.lpstrFileTitle    = NULL;      
                ofn.nMaxFileTitle     = 0 ;
                ofn.lpstrInitialDir   = NULL ;
                ofn.lpstrTitle        = NULL;
                ofn.Flags             = 0;             
                ofn.nFileOffset       = 0 ;
                ofn.nFileExtension    = 0 ;
                ofn.lpstrDefExt       = NULL ;
                ofn.lCustData         = 0 ;
                ofn.lpfnHook          = NULL ;
                ofn.lpTemplateName    = NULL ;

        hToolBar=CreateToolbarEx(hwnd,
		                        WS_CHILD|WS_BORDER|WS_VISIBLE
								|TBSTYLE_TOOLTIPS,
								ID_TOOLBAR,
								8,
								HINST_COMMCTRL,
								IDB_STD_SMALL_COLOR,
								tbButton,
								8,
								0,0,
								0,0,
								sizeof(TBBUTTON));

		
      
            hStatusBar=CreateStatusWindow(
		                          WS_CHILD|WS_VISIBLE,
								  "",
								  hwnd,
								  ID_STATUSBAR);

      GetWindowRect(hToolBar,&TBRect);
      GetWindowRect(hStatusBar,&SBRect);
      GetClientRect(hwnd,&ClientRect);

	  nY=TBRect.bottom+ClientRect.bottom-SBRect.bottom;
	  nWidth=ClientRect.right;
      nHeight=SBRect.top-TBRect.bottom;
      
	  RightEnd[0]=ClientRect.right*2/3;
	  RightEnd[1]=ClientRect.right;
    
	  SendMessage(hStatusBar,SB_SETPARTS,(WPARAM)2,
		           (LPARAM)RightEnd);

      SendMessage(hStatusBar,SB_SETTEXT,(WPARAM)0,
			            (LPARAM)"欢迎使用状态栏");

      SendMessage(hStatusBar,SB_SETTEXT,(WPARAM)1,
			            (LPARAM)"应用程序已准备好");


			hwndEdit=CreateWindow("edit",     
	 					        NULL,
								WS_CHILD|WS_VISIBLE|WS_HSCROLL|WS_VSCROLL|WS_BORDER
								|ES_MULTILINE|ES_AUTOHSCROLL|ES_AUTOVSCROLL,
							    nX,nY,
							    nWidth,nHeight,
		                        hwnd,       
						        (HMENU)IDE_EDIT,      
						        hInst,    
						        NULL) ; 
	
			break;

    case WM_COMMAND:
	   switch(LOWORD(wParam))
	     {
	       case IDM_NEW:

			 SendMessage(hStatusBar,SB_SETTEXT,(WPARAM)1,
			            (LPARAM)"新建文件");

            if (nFileExist==1)
		      {
			   MessageBox(hwnd,"请先关闭现有文件","提示",MB_OK);
			   break;
		      }
            
			nIsNew=1;
	       break;


	       case IDM_OPEN:

		    SendMessage(hStatusBar,SB_SETTEXT,(WPARAM)1,
			            (LPARAM)"打开文件");

		    if (nFileExist==1)
			 {
			  MessageBox(hwnd,"请先关闭当前文件","提示",MB_OK);
			  break;
			 }
		     else
		     {
		
	          ofn.lpstrFilter=lpszFilter;
			  ofn.lpstrFileTitle=lpstrFileName; 
			  ofn.lpstrTitle="打开";
			  ofn.Flags=OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST|
				                           OFN_HIDEREADONLY;
     
              GetOpenFileName(&ofn);

              hFile=CreateFile(lpstrFileName,GENERIC_READ|GENERIC_WRITE
				              ,0,NULL,OPEN_EXISTING,0,NULL);

		      if ((DWORD)hFile==-1)
			     { 
				  MessageBox(hwnd,"文件打开失败！",NULL,MB_OK);
			      break;
			     }
              else 
		         {
			      nFileExist=1;
			      nLength=GetFileSize(hFile,NULL);
            			
				  if (nLength>32000)
				    {
					  MessageBox(hwnd,"文件太大,无法读取！","提示",MB_OK);
					  CloseHandle(hFile);
					  nFileExist=0;
					  break;
				    }
				  else
				    { 
					lpBuffer=(LPTSTR)malloc(nLength+1);
		         
					bReadFile=ReadFile(hFile,lpBuffer,nLength,
				                     &dwFileRead,NULL);

          		    if (bReadFile==FALSE)
					 {				    
					  MessageBox(hwnd,"文件读取失败！",NULL,MB_OK);
	                  CloseHandle(hFile);
					  nFileExist=0;
					  free(lpBuffer);
					  break;
					 }
		             else
					  { 
					     lpBuffer[nLength]='\0';
                         SetWindowText(hwndEdit,lpBuffer);
					     free(lpBuffer);
					 }
				
			     } 
             }
		   }		

		break;

	   case IDM_SAVE:
		 
		 SendMessage(hStatusBar,SB_SETTEXT,(WPARAM)1,
			            (LPARAM)"保存文件");

     	 if (nIsNew==1)
		   {
			 MessageBox(hwndEdit,"保存新文件请使用“另存为”","提示",MB_OK);  
			 break;
		   }
		 else